白世武, 李红卫, 龚育良. 用激光外差法探测固体表面超声位移[J]. 工程科学学报, 1995, 17(6): 590-594. DOI: 10.13374/j.issn1001-053x.1995.06.020
引用本文: 白世武, 李红卫, 龚育良. 用激光外差法探测固体表面超声位移[J]. 工程科学学报, 1995, 17(6): 590-594. DOI: 10.13374/j.issn1001-053x.1995.06.020
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Bai Shiwu, Li Hongwei, Gong Yuliang. Detecting Ultrasonic Displacement on Solid Surface by Laser Heterodyne Method[J]. Chinese Journal of Engineering, 1995, 17(6): 590-594. DOI: 10.13374/j.issn1001-053x.1995.06.020
Citation: Bai Shiwu, Li Hongwei, Gong Yuliang. Detecting Ultrasonic Displacement on Solid Surface by Laser Heterodyne Method[J]. Chinese Journal of Engineering, 1995, 17(6): 590-594. DOI: 10.13374/j.issn1001-053x.1995.06.020
shu

用激光外差法探测固体表面超声位移

Detecting Ultrasonic Displacement on Solid Surface by Laser Heterodyne Method

    摘要
  • 摘要: 论述了应用激光外差和锁相环解调原理探测固体表面超声位移的原理、方法,并利用激光外差干涉仪对固体表面的超声位移进行了探测,得到了很好的结果。

     

    Abstract: The principle and way of dectecing ultrasonic displacement of solid surfaces with laser heterodyne and phase-lockedloop to demodulate are described. Ultrasonic displacement of solid surfaces is detected with a laser heterodyne interferometer and a satisfactory conclusion is got.

     

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